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Finding the Fourth Proportional to 1,690.22, 2,535.80 and 594.44

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Solution

The fourth proportional to 1,690.22, 2,535.80 and 594.44 is: 891.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690.22 : 2,535.80 = 594.44 : x
  2. Step 2: Convert to fraction form
    1,690.22/2,535.80 = 594.44/x
  3. Step 3: Cross multiply
    1,690.22x = 2,535.80 × 594.44
  4. Step 4: Simplify right side
    1,690.22x = 1,507,380.95
  5. Step 5: Solve for x
    x = 1,507,380.95/1,690.22
  6. Step 6: Final answer
    x = 891.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.